Friedrich SS10N10*, SS14N10*, SS12N10*, SS15N30* Replace fuse, reset breaker. If repeats, check

Page 63

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem

Possible Cause

Possible Solution

 

 

Replace fuse, reset breaker. If repeats, check

 

Fuse blown or circuit tripped

fuse or breaker size. Check for shorts in unit

 

 

wiring & components

 

Power cord not plugged in

Plug it in

Unit does not run

System button in “OFF” position

Set correctly

Inoperative system button or open

Test for continuity. Check alarms. Correct

 

 

electronic control board

as needed.

 

Loose or disconnected wiring

Check wiring & connections. Reconnect per

 

control board or other components

wiring diagram

 

 

 

Problem

Possible Cause

Possible Solution

 

Dirty filter

Clean as recommended in Owner’s Manual

 

 

Check for dirty or obstructed coil. Use

 

Restricted airflow

pressure wash or biodegradable cleaning

 

 

agent to clean

Evaporator coil

Inoperative thermistor

Check alarms. Replace as necessary.

freezes up

Short of refrigerant

De-ice coil & check for leak

 

Inoperative fan motor

Test fan motor & replace if inoperative

 

Partially restricted capillary tube

De-ice coil. Replace capillary tube.

 

 

 

Problem

Possible Cause

Possible Solution

 

Excessive heat load

Unit undersized. Test cooling performance &

 

replace with larger unit if needed. See sizing chart.

 

 

 

Restriction in line

Check for partially iced coil & check

Compressor runs

temperature split across coil

 

continually & does

Refrigerant leak

Find leak and repair.

not cycle off

 

 

Compressor relay contacts stuck

Check operation of t-stat. Replace if contacts

 

 

remain closed.

 

 

 

Remote wall T-stat incorrectly wired

Refer to appropriate wiring diagram

 

 

 

 

Thermistor shorted

Replace thermistor or electronic control board

 

 

 

Problem

Possible Cause

Possible Solution

 

Compressor relay contacts stuck

Replace electronic control board

 

 

 

Electronic control

Temperature set at coldest point

Turn to higher temp. setting to see if unit

cycles off. If not, replace control board.

board does not

 

turn unit off

 

 

Incorrect wiring

Refer to appropriate wiring diagrams

 

 

 

 

 

Unit undersized for area to be

Refer to industry standard sizing chart

 

cooled

 

 

 

Defective thermistor

Replace thermistor or electronic control board

 

 

 

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Contents Heat Pump Cool OnlyTable Of Contents Your safety and the safety of others are very important Important Safety InformationRefrigeration System Repair Hazards Property Damage Hazards Introduction Components IdentificationModel and Serial Number Location Unit Identification Refrigeration System Performance Data SpecificationsProvide good air flow Keep the filter cleanUnit placement Proper installation of seal gasketElectrical Data Electric Shock HazardFire Hazard Electrical Shock Hazard FriedrichLink Adapter Kuhl Control OptionsControl Panel and Display Identification Control Panel Operation Instructions ºF ºC Select Timer Schedule ButtonExternal Control Status DIM FunctionAlerts Control Panel LockTimer or Schedule Options 1 or 2 Selection To Turn On the Timer or Schedule SelectedTimer Settings Timer Start TimeTimer on Scenarios Set theTimer Stop TimeTimer Schedule Control Block Timer OFF ScenariosRemote Control Operation Remote Control Operation Front Panel Unit OperationCompressor Operation Electronic Control Sequence of OperationHeat Control Heat Pump Only Heating Mode Control OperationCondition Heat Pump With Electric Heat OperationElectric Heat Operation in Cool with Electric Heat Units Compressor Lock Out Time Mode UsingRemoving the Front Cover Swing Out Replacing the Indoor Coil ThermistorFresh air and exhaust control Air flow direction adjustmentFAN Motor Components TestingCapacitor Check with Capacitor Analyzer Capacitor ConnectionsDrain PAN Valve Testing the Heating Element Electric Shock HazardHeating Element Heating Element Heat Pump ModelsUser Interface Control Board Refrigeration Sequence of Operation Refrigeration system under high pressure 410A Sealed System Repair ConsiderationsRefrigerant Charging 410A Sealed Refrigeration System RepairsMethod Of Charging / Repairs Burn HazardFreeze Hazard Overcharged Refrigerant Systems Undercharged Refrigerant SystemsRestricted Refrigerant System Capillary Tube Systems Hermetic Components CheckReversing Valve DESCRIPTION/OPERATION Reversing Valve in Heating Mode Testing the Reversing Valve Solenoid CoilProcedure For Changing Reversing Valve Touch Test in Heating/Cooling CycleExplosion Hazard Determine L.R.V Single Phase ConnectionsSingle Phase Running and L.R.A. Test Locked Rotor Voltage L.R.V. TestSingle Phase Resistance Test Ground TestChecking Compressor Efficiency High Temperatures Recommended procedure for compressor replacementHigh Pressure Hazard Routine Maintenance Sleeve / Drain Decorative Front CoverClearances Filter assembly Noises Heat pumps operate differentlyCondensation is normal FrostingCarbon Filter Kits If you require further assistanceOur specialists are able to assist you with DC-2 Drain Kit Part NoSee codes chart on next Error Codes and Alarm Status Test Mode Temp = SQ/CU/FT Room AIR Conditioner Unit Performance Test Data SheetHOW is ALL of the INSTALLATION? Good BAD JOB Name Techs NameProblem Possible Cause Possible Solution Troubleshooting TipsTroubleshooting Tips Cooling only Room AIR Conditioners Troubleshooting Tips Replace fuse, reset breaker. If repeats, check Possible Cause Possible Solution Problem Possible Cause Possible Solution Heat / Cool only Room AIR Conditioners Troubleshooting Tips Problem Possible Cause Action Heat Pump Room AIR Conditioners Trouble Shooting TipsYES System Cools When Heating is DesiredMalfunction of Valve Normal Function of ValveElectronic Control Board Components Identification Contents ProcedureFriedrich Electronic Control KIT Friedrich Model Prefix Schematic Part NO. REV 92170013 Kϋhl Electronic Control Cool only Models SL36N30-A Wiring Diagram Wiring Diagram 92170015 92170016 Kϋhl Electronic Control Heat Pump model YL24N35-A Air Conditioner Message Remote Control Message Need to Configure it. Follow the steps below to configureAir Conditioning Unit Display Remote Control Display Replacement Instructions Parts Section Parts Section Kühl & Kühl+ Small-Chassis 2012 Parts List SHROUD, SML Kühl & Kühl+ Medium-Chassis 2012 Parts List SHROUD, MED Kühl & Kühl+ Large-Chassis 2012 Parts List Deck LRG Schedule Table with Energy Saving Values AddendumRoom AIR Conditioners Limited Warranty Customer Satisfaction and Quality Assurance AAA Refrigeration ServiceFriedrich AIR Conditioning CO

SM18N30*, SS10N10*, SS15N30*, SS12N10*, SS14N10* specifications

Friedrich air conditioners, particularly models SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30*, are renowned for their reliable performance, innovative technologies, and user-friendly features. Designed for both residential and commercial use, these units stand out due to their energy efficiency, advanced cooling capabilities, and versatile operation.

One of the standout features across these models is their energy efficiency. Equipped with high SEER (Seasonal Energy Efficiency Ratio) ratings, they help users save on energy costs while reducing their carbon footprint. Specifically, the SS14N10* and SS12N10* models excel in cooling efficiency, ensuring that the spaces they occupy remain comfortably cool even in the hottest conditions. This not only contributes to lower energy bills but also promotes environmental sustainability.

The cooling technologies integrated into these units include advanced inverter technology. This feature allows the compressor to adjust its speed according to the cooling demand of a room. As a result, these air conditioners maintain desired temperatures with minimal fluctuations, ensuring optimal comfort and significant energy savings. Models like SS15N30* and SM18N30* are particularly stellar in maintaining efficiency even during peak usage hours.

Moreover, these air conditioners are equipped with multi-stage filtration systems that enhance indoor air quality. The filters effectively capture dust, allergens, and other pollutants, resulting in cleaner and healthier air for occupants. This is especially important for individuals with allergies or respiratory issues.

User-friendly controls add another layer of convenience. Many models incorporate smart technology allowing users to control the units via mobile apps or home automation systems. This feature enables remote operation, scheduling, and real-time monitoring, making it easier to manage climate conditions effectively.

In terms of design, models like SS10N10* prioritize aesthetics without compromising functionality. They feature sleek, modern designs that seamlessly integrate into various decors, whether in a home or an office. Additionally, quiet operation technology reduces noise levels during functionality, enhancing comfort, particularly in bedrooms or quiet office environments.

Overall, Friedrich’s SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30* models embody the brand's commitment to innovation and customer satisfaction. Their blend of energy efficiency, advanced cooling technology, air quality enhancement, and smart controls positions them as leaders in the air conditioning market, catering to diverse cooling needs while promoting a sustainable future.
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